amazon-chime-sdk/com.amazonaws.services.chime.sdk.meetings.audiovideo.video.capture/DefaultCameraCaptureSource

DefaultCameraCaptureSource

class DefaultCameraCaptureSource @JvmOverloads constructor(context: Context, logger: Logger, surfaceTextureCaptureSourceFactory: SurfaceTextureCaptureSourceFactory, cameraManager: CameraManager = context.getSystemService( Context.CAMERA_SERVICE ) as CameraManager) : CameraCaptureSource, VideoSink

DefaultCameraCaptureSource will configure a reasonably standard capture stream which will use the Surface provided by the capture source provided by a SurfaceTextureCaptureSourceFactory

Constructors

@JvmOverloads

constructor(context: Context, logger: Logger, surfaceTextureCaptureSourceFactory: SurfaceTextureCaptureSourceFactory, cameraManager: CameraManager = context.getSystemService( Context.CAMERA_SERVICE ) as CameraManager)

Properties

contentHint

open override val contentHint: VideoContentHint

Content hint for downstream processing

device

open override var device: MediaDevice?

Current camera device. This is only null if the phone/device doesn't have any cameras May be called regardless of whether start or stop has been called.

eventAnalyticsController

var eventAnalyticsController: EventAnalyticsController?

format

open override var format: VideoCaptureFormat

Current camera capture format. Actual format may be adjusted to use supported camera formats. May be called regardless of whether start or stop has been called.

torchEnabled

open override var torchEnabled: Boolean

Toggle for torch on the current device. Will succeed if current device has access to flashlight, otherwise will stay false. May be called regardless of whether start or stop has been called.

Functions

addCaptureSourceObserver

open override fun addCaptureSourceObserver(observer: CaptureSourceObserver)

Add a capture source observer to receive callbacks from the source on lifecycle events which can be used to trigger UI. This observer is entirely optional.

addVideoSink

open override fun addVideoSink(sink: VideoSink)

Add a video sink which will immediately begin to receive new frames.

onVideoFrameReceived

open override fun onVideoFrameReceived(frame: VideoFrame)

Receive a video frame from some upstream source. The VideoSink may render, store, process, and forward the frame, among other applications.

release

fun release()

removeCaptureSourceObserver

open override fun removeCaptureSourceObserver(observer: CaptureSourceObserver)

Remove a capture source observer

removeVideoSink

open override fun removeVideoSink(sink: VideoSink)

Remove a video sink which will no longer receive new frames on return

setMaxResolution

open override fun setMaxResolution(maxResolution: VideoResolution)

Set max resolution for video capture source DefaultCameraCaptureSource and DefaultScreenCaptureSource call this function to set max resolution for camera and screen capture

start

open override fun start()

Start capturing on this source and emitting video frames

stop

open override fun stop()

Stop capturing on this source and cease emitting video frames

switchCamera

open override fun switchCamera()

Helper function to switch from front to back cameras or reverse. This also switches from any external cameras to the front camera.